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Diffstat (limited to 'general/echo/kmdf/driver/DriverSync/device.h')
| -rw-r--r-- | general/echo/kmdf/driver/DriverSync/device.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/general/echo/kmdf/driver/DriverSync/device.h b/general/echo/kmdf/driver/DriverSync/device.h new file mode 100644 index 00000000..f29c7908 --- /dev/null +++ b/general/echo/kmdf/driver/DriverSync/device.h @@ -0,0 +1,48 @@ +/*++ + +Copyright (c) 1990-2000 Microsoft Corporation + +Module Name: + + device.h + +Abstract: + + This is a C version of a very simple sample driver that illustrates + how to use the driver framework and demonstrates best practices. + +--*/ + +#include "public.h" + +// +// The device context performs the same job as +// a WDM device extension in the driver frameworks +// +typedef struct _DEVICE_CONTEXT +{ + ULONG PrivateDeviceData; // just a placeholder + +} DEVICE_CONTEXT, *PDEVICE_CONTEXT; + +// +// This macro will generate an inline function called WdfObjectGet_DEVICE_CONTEXT +// which will be used to get a pointer to the device context memory +// in a type safe manner. +// +WDF_DECLARE_CONTEXT_TYPE(DEVICE_CONTEXT) + +// +// Function to initialize the device and its callbacks +// +NTSTATUS +EchoDeviceCreate( + PWDFDEVICE_INIT DeviceInit + ); + +// +// Device events +// +EVT_WDF_DEVICE_SELF_MANAGED_IO_INIT EchoEvtDeviceSelfManagedIoStart; +EVT_WDF_DEVICE_SELF_MANAGED_IO_SUSPEND EchoEvtDeviceSelfManagedIoSuspend; + |